Home / 74,538.64-111,859.80-48,178

Finding the Fourth Proportional to 74,538.64, 111,859.80 and 48,178

Calculator

Solution

The fourth proportional to 74,538.64, 111,859.80 and 48,178 is: 72,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,538.64 : 111,859.80 = 48,178 : x
  2. Step 2: Convert to fraction form
    74,538.64/111,859.80 = 48,178/x
  3. Step 3: Cross multiply
    74,538.64x = 111,859.80 × 48,178
  4. Step 4: Simplify right side
    74,538.64x = 5,389,181,444.40
  5. Step 5: Solve for x
    x = 5,389,181,444.40/74,538.64
  6. Step 6: Final answer
    x = 72,300.51

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.